package com.it.you.base.map;

import java.util.Hashtable;

/**
 * hashtable也是k-v的数据结构
 */
public class HashTableTest1 {
    public static void main(String[] args) {
        Hashtable<String, String> hashtable = new Hashtable<>();
        hashtable.put("a", "a");
        System.out.println(hashtable);
    }

}
